权重函数

Gau (1978), discriminant coefficients can be regarded as the weight to distinguish the importance of factor variable.

Gau（1978）的观点，判别函数系数可当作区分因子变量相对重要性程度的权重。

Based on maximum principles, Lagrangian function is adopted to obtain the weights of the indexes.

依据极值原理，利用拉格朗日函数得到各个指标的权重值。

To study the performance of the algorithm, it is tested with a set of 5 benchmark functions and compared with the linear decrease weight particle swarm optimization algorithm.

为了评价其性能，选取了5个基准函数进行测试，并与惯性权重线性递减的粒子群优化算法作了比较。

The mean square deviation was used to calculate the weight, and compositive appraisement method of hierarchy multiplayer and the linear weighted function were introduced to build the two levels and integrated indicator of health diagnoses model-the health index.

以均方差决策法确定了各指标的权重，运用递阶多层次综合法、线性加权函数法分别建立了二级层次和综合指标健康诊断模型－健康指数。

For solving this nonideal problem, the orthogonality between the directional vector and the noise subspace with the same frequency can be used to establish a cost function. After finding the appropriate solution with the minimum cost function value through different optimization methods, the LCMV algorithm can use the result to calculate the optimum weight.

为了解决这项在波束成型上的非理想问题，我们利用了宽频信号的方向向量会和同频率的杂讯子空间正交的特性[4，5]去建立一个目标函数，利用不同的最佳化方法找出适当的解，再带入LCMV演算法中算出最佳权重。

An adaptive control scheme,that employs a Gaussian radial basis function networkwith output weights updated on-line according to the Lyapunov stability theory,is sug-gested for regulation of a class of chaotic systems with uncertainties.

四、针对一类带有不确定性的混沌系统，提出基于高斯径向基函数网络的的自适应控制框架，其中网络输出权重根据Lyapunov稳定性理论自适应在线调节。

Neural networks ; multiple objective programming/fuzzy optimum selection ; topologic structure of network ; stimulation function ; adjustment of weights

神经网络；多目标规划／模糊优选；网络拓扑结构；激励函数；权重调整

As the representative of the northern Loess Plateau gully region, the soil quality under different cultivation length of the orchard in Changwu county was studied. Using partial correlation coefficient to determine the weight, combined with evaluation of membership Sanction to evaluate soil quality levels of the area, the trend of orchard soil quality under different cultivation years was analyzed. The results showed that the IFI values of orchard soil were between 0.22 and 0.70, 27% of them reached the second soil quality standards, 64% reached a third-level soil quality standards, 9% met the fourth standards of soil quality.

以长武北部黄土高原沟壑区为代表，研究了不同果园种植年限下的土壤质量现状，运用偏相关系数法确定权重，结合隶属度函数评价了该地区土壤的综合肥力水平，分析果树种植中土壤质量随着种植年限的变化趋势，结果表明：黄土沟壑区果园土壤IFI值在0.22~0.70，其中有27%达到了2级土壤质量标准，64%达到了3级土壤质量标准，9%达到了4级土壤质量标准。

To solve the problem that there is no early-warning technique for conflict management of irregular flight services,the matter element analysis in extension theory was used to build an early-warning model with 5 indices(anticipated delay time,margin of resources,affected passenger number,service ability and event status),each of which has 5 grades(normal,attensional,precautious,danger and crisis).

为解决不正常航班服务管理中无冲突预警的问题，用物元分析方法，建立了以预计延迟时间、运力资源富余度、滞留人数、现场服务能力和意外事件情况为特征指标，以安全、注意、警戒、危险和危机为分类等级的预警模型。鉴于冲突中各种因素相互影响，采用简单可拓关联函数确定模型中的评价权重，并以定量结果确定预警等级。实例验证表明，该模型可用于对服务环境状况的定性评价，或提供定量的预警信息

In the process of building up the system, all the following works are done: confirming the index system of the gas pipeline by the maximum quadratic mean deviation analysis, caculating the index weight by the means of AHP, bringing forward three easy and useful methods (TOPSIS, the effect function and the integration index) of the gas pipeline's engineering schemes' multi-valuation and at last the mathematical models of the maximum compatibility degree is introduced to integrate all the results of all methods above.

在构建这个系统的过程中，主要从事了以下一些工作：通过统计理论中的最小均方差法分析确立了输气管道指标体系；采用层次分析法对输气管道指标权重进行了分析计算；提出三种简单易行的用于天然气管道设计方案评价的新方法：理想点法、效用函数法和综合指数法；最后将决策理论中的最大兼容度模型用于输气管设计方案评价中。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。